Circuit used in digitizing analog video from an image pixel array

an image pixel array and circuit technology, applied in the field of charge coupled devices, can solve the problems of inconvenient use, high frame rate and low readnoise of a variety, and the incontiguousness of image pixels, so as to reduce the likelihood of accidental damage to a ccd, improve the reliability of external synchronization and control, and improve the effect of synchronization and control
US20090027556A1Inactive Publication Date: 2009-01-29SCIMEASURE ANALYTICAL SYST
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
SCIMEASURE ANALYTICAL SYST
Publication Date
2009-01-29
Estimated Expiration
Not applicable · inactive patent

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Abstract

Disclosed herein is a camera system and camera controller having a modularized design. Camera control functions within the controller are distributed among a number of modules, each module performing a component task of controlling a camera. Individual modules can perform tasks such as generating clock signals, digitizing an analog video signal, and providing multiplexed digital video output. Modules communicate with each other over a common bus sufficient to carry the signals necessary to control the camera. The system implements a RAM-based digital sequencer that provides the capability of loading bit patterns into memory and using these patterns to generate waveforms for clocking a CCD. Clock and readout sequences can be composed in a high level language, compiled and uploaded into the controller. Adjustable clamp and sample signal delays used in digitizing an analog video signal provide the capability to optimize the performance of the system in a given application.
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Description

CROSS-REFERENCE TO RELATED APPLICATIONS

[0001] This application is a divisional application from U.S. application Ser. No. 10 / 457,052, filed on Jun. 6, 2003, which claims priority from Provisional Application No. 60 / 387,316, filed Jun. 7, 2002. Both of these applications are incorporated herein by reference in their entirety.FIELD OF THE INVENTION

[0002] This invention relates generally to charge coupled devices (CCDs), MOS, and other pixel sensor arrays, cameras, controllers, imaging systems, and methods of controlling and operating the same. The invention is directed to a controller and camera system having a modularized architecture making it extensible to all known types of CCDs and other pixel sensor arrays. The present invention is particularly well suited for use in scientific imaging applications such as adaptive optics, wavefront sensing, interferometry, fringe tracking, and neuroscience research. The small form factor with remote head of the present invention also makes the sy...

Claims

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